DD

Duane Douglass

PN Pneumo: 2 patents #7 of 31Top 25%
PA Pneumo Abex: 1 patents #10 of 38Top 30%
Overall (All Time): #1,674,199 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4777869 Fluid actuator including a composite piston rod William Dirkin, James N. Tootle, Terry Benton 1988-10-18
4697499 Dual tandem composite cylinder assembly William Dirkin, James N. Tootle, Terry Benton 1987-10-06
4685384 Fluid actuator including composite cylinder assembly William Dirkin, James N. Tootle, Terry Benton 1987-08-11